pen tool

Xfoil is a free and opensource prompt tool for aerospace engineering.

Osmond PCB is a flexible tool for designing printed circuit boards.

DMGConverter is a Disk Image (.dmg, .cdr, .iso) create and convert tool

SmillaEnlarger is a small graphical tool to resize, especially magnify bitmaps.

eCub is a cross-platform tool for creating EPUB and MobiPocket books.

Monocle is a search tool designed for the way you search.

This is a simple tool with graphic user interface

Helloween Icons is a fun icon tool about pumpkin and witch's hat.

Real-time query performance and diagnostics tool.

Sync tool for use with a Macbay account.